108743-74-4 Naltrexone-pregnenolone mixed azine PH-NX Pregn-5-en-20-one, 3-hydroxy-, ((5alpha,6E)-17-(cyclopropylmethyl)-4,5-epoxy-3,14-dihydroxymorphinan-6-ylidene)hydrazone, (3beta,20E)- Pregnenolone-naltrexone azine